Training paramedics in new skills via classroom-based teaching has inherent costs and time constraints. The investigators sought to evaluate whether web-based didactics result in similar knowledge improvement and retention of FAST (Focused Assessment with Sonography for Trauma) compared with the traditional method.

Paramedics were randomized into a classroom group with traditional lectures and a web group that watched narrated lectures online. All participants completed a pre- and post-test, and a second post-test four weeks later. Both groups underwent hands-on training after the first post-test. A control group completed the two initial tests without didactic intervention.

Inclusion Criteria:

• give voluntary consent to participate in the study emergency medical professionals (paramedics, nurses, physicians)

Exclusion Criteria:

• not meet the above criteria